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| author | Oliver Neukum <oneukum@suse.com> | 2019-11-14 18:01:18 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-09 12:20:04 +0300 |
| commit | a1221702c41d0e760e4cc00ea12fbf45966b50d8 (patch) | |
| tree | f4a71e21d56bd4caf7ef87559a8dc3a075c11671 /drivers/bluetooth | |
| parent | 2fb97a8e25aa54fa436734aa86f41b2813ba33cd (diff) | |
| download | linux-a1221702c41d0e760e4cc00ea12fbf45966b50d8.tar.xz | |
Bluetooth: btusb: fix PM leak in error case of setup
commit 3d44a6fd0775e6215e836423e27f8eedf8c871ea upstream.
If setup() fails a reference for runtime PM has already
been taken. Proper use of the error handling in btusb_open()is needed.
You cannot just return.
Fixes: ace31982585a3 ("Bluetooth: btusb: Add setup callback for chip init on USB")
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 23e606aaaea4..04cf767d0708 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -1200,7 +1200,7 @@ static int btusb_open(struct hci_dev *hdev) if (data->setup_on_usb) { err = data->setup_on_usb(hdev); if (err < 0) - return err; + goto setup_fail; } data->intf->needs_remote_wakeup = 1; @@ -1239,6 +1239,7 @@ done: failed: clear_bit(BTUSB_INTR_RUNNING, &data->flags); +setup_fail: usb_autopm_put_interface(data->intf); return err; } |